From: Jian Hu Date: Fri, 12 Dec 2025 02:26:14 +0000 (+0800) Subject: dt-bindings: clock: add Amlogic T7 PLL clock controller X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5437753728ac40a0410f3a4c6c471d0ab9919ceb;p=thirdparty%2Flinux.git dt-bindings: clock: add Amlogic T7 PLL clock controller Add DT bindings for the PLL clock controller of the Amlogic T7 SoC family. Signed-off-by: Jian Hu Reviewed-by: Conor Dooley Link: https://lore.kernel.org/r/20251212022619.3072132-2-jian.hu@amlogic.com Signed-off-by: Jerome Brunet --- diff --git a/Documentation/devicetree/bindings/clock/amlogic,t7-pll-clkc.yaml b/Documentation/devicetree/bindings/clock/amlogic,t7-pll-clkc.yaml new file mode 100644 index 0000000000000..49c61f65deff7 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/amlogic,t7-pll-clkc.yaml @@ -0,0 +1,114 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2024-2025 Amlogic, Inc. All rights reserved +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/amlogic,t7-pll-clkc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Amlogic T7 PLL Clock Control Controller + +maintainers: + - Neil Armstrong + - Jerome Brunet + - Jian Hu + - Xianwei Zhao + +properties: + compatible: + enum: + - amlogic,t7-gp0-pll + - amlogic,t7-gp1-pll + - amlogic,t7-hifi-pll + - amlogic,t7-pcie-pll + - amlogic,t7-mpll + - amlogic,t7-hdmi-pll + - amlogic,t7-mclk-pll + + reg: + maxItems: 1 + + '#clock-cells': + const: 1 + + clocks: + items: + - description: mclk pll input oscillator gate + - description: oscillator input clock source for mclk_sel_0 + - description: fixed input clock source for mclk_sel_0 + minItems: 1 + + clock-names: + items: + - const: in0 + - const: in1 + - const: in2 + minItems: 1 + +required: + - compatible + - '#clock-cells' + - reg + - clocks + - clock-names + +allOf: + - if: + properties: + compatible: + contains: + const: amlogic,t7-mclk-pll + + then: + properties: + clocks: + minItems: 3 + + clock-names: + minItems: 3 + + - if: + properties: + compatible: + contains: + enum: + - amlogic,t7-gp0-pll + - amlogic,t7-gp1--pll + - amlogic,t7-hifi-pll + - amlogic,t7-pcie-pll + - amlogic,t7-mpll + - amlogic,t7-hdmi-pll + + then: + properties: + clocks: + maxItems: 1 + + clock-names: + maxItems: 1 + +additionalProperties: false + +examples: + - | + apb { + #address-cells = <2>; + #size-cells = <2>; + + clock-controller@8080 { + compatible = "amlogic,t7-gp0-pll"; + reg = <0 0x8080 0 0x20>; + clocks = <&scmi_clk 2>; + clock-names = "in0"; + #clock-cells = <1>; + }; + + clock-controller@8300 { + compatible = "amlogic,t7-mclk-pll"; + reg = <0 0x8300 0 0x18>; + clocks = <&scmi_clk 2>, + <&xtal>, + <&scmi_clk 31>; + clock-names = "in0", "in1", "in2"; + #clock-cells = <1>; + }; + }; diff --git a/include/dt-bindings/clock/amlogic,t7-pll-clkc.h b/include/dt-bindings/clock/amlogic,t7-pll-clkc.h new file mode 100644 index 0000000000000..e2481f2f11636 --- /dev/null +++ b/include/dt-bindings/clock/amlogic,t7-pll-clkc.h @@ -0,0 +1,56 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR MIT) */ +/* + * Copyright (C) 2024-2025 Amlogic, Inc. All rights reserved + */ + +#ifndef __T7_PLL_CLKC_H +#define __T7_PLL_CLKC_H + +/* GP0 */ +#define CLKID_GP0_PLL_DCO 0 +#define CLKID_GP0_PLL 1 + +/* GP1 */ +#define CLKID_GP1_PLL_DCO 0 +#define CLKID_GP1_PLL 1 + +/* HIFI */ +#define CLKID_HIFI_PLL_DCO 0 +#define CLKID_HIFI_PLL 1 + +/* PCIE */ +#define CLKID_PCIE_PLL_DCO 0 +#define CLKID_PCIE_PLL_DCO_DIV2 1 +#define CLKID_PCIE_PLL_OD 2 +#define CLKID_PCIE_PLL 3 + +/* MPLL */ +#define CLKID_MPLL_PREDIV 0 +#define CLKID_MPLL0_DIV 1 +#define CLKID_MPLL0 2 +#define CLKID_MPLL1_DIV 3 +#define CLKID_MPLL1 4 +#define CLKID_MPLL2_DIV 5 +#define CLKID_MPLL2 6 +#define CLKID_MPLL3_DIV 7 +#define CLKID_MPLL3 8 + +/* HDMI */ +#define CLKID_HDMI_PLL_DCO 0 +#define CLKID_HDMI_PLL_OD 1 +#define CLKID_HDMI_PLL 2 + +/* MCLK */ +#define CLKID_MCLK_PLL_DCO 0 +#define CLKID_MCLK_PRE 1 +#define CLKID_MCLK_PLL 2 +#define CLKID_MCLK_0_SEL 3 +#define CLKID_MCLK_0_DIV2 4 +#define CLKID_MCLK_0_PRE 5 +#define CLKID_MCLK_0 6 +#define CLKID_MCLK_1_SEL 7 +#define CLKID_MCLK_1_DIV2 8 +#define CLKID_MCLK_1_PRE 9 +#define CLKID_MCLK_1 10 + +#endif /* __T7_PLL_CLKC_H */